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Minnesota Poilution OSTP Pump Selection Design ;- <br /> UNI VERS ITY <br /> Control A enc Worksheet OF MINNESOTA .` �''^'• �" �'� <br /> _. _...�..:.��`\� <br /> 1. PUMP CAPAUTY � <br /> A. Pumping to Gravity or Pressure Distribution: O Gravity �Q p�„� <br /> 1. If pumping to gravity enter the gatlon per minute of the pump: �GPM <br /> 2. If pumping to pressure, is the pump for the treatment system or the collection system: <br /> OO rreacmenc svscem O co�Iecoon system <br /> 3. If Pumping to a pressurized treatment system,what part or type of rystem: <br /> ❑Soil Treatment Unit ❑Media Filter ❑Other <br /> 4. If pumping to a pressurized distnbunon system: 9.0 GPM <br /> (Line 71 of Pressure Distribu[ion or Line f0 of Non-Leve(or enter if Collechon System) <br /> 2. HEAD REQUIREMENTS <br /> 3. Elevacion Difference �ft & aea„�^�m�, <br /> point of d�sd�arge <br /> �---•--J <br /> between pump and point of discharge: <br /> NOTE:IFrystem is an individuQ(subsurfoce sewage treQtment s�vv���,� <br /> system,complete steps 4-9. !f system is a Collection System, ntetp"pe � <br /> skip steps 4, 5, 7 ond 8 and go to Step fQ. °K d�" <br /> _.__.__._ __ <br /> 4. Distribution Head Loss: ��ft =---_- <br /> i ----------------------------- -------------• <br /> 5. Additional Head Loss: �ft(due to speciat equipment,etc.) <br /> Distribution Head Loss Friction Loss in P astic P�pe per 100 <br /> Gravity Distribution =Oft C=130 <br /> Pressure Distribution based on Minimum Average Head �m)�ta) Pipe Didmetef <br /> Vatue on Pressure Distribution worksheet- Flow Rate � 1'/s 1Yz 2 3 <br /> � GPM <br /> Minimum Avera e Head Distribution Head Loss 10 <br /> 1 ft 5ft 9.11 3.08 1.27 0.31 - <br /> 2ft 6ft �2 1277 4.31 1.?8 0.44 - <br /> 5ft �pft 9 4 16.99 5.74 236 0.58 - <br /> 16 7.35 3.03 Q.�5 0.10 <br /> 6. A.Supply Pipe Diameter: 2.0 in _ <br /> �8 9.14 3.76 0.93 0.13 <br /> B.Supply Pipe l.ength: 30 ft 2Q - 11.11 4.58 1.13 0.16 <br /> 25 16.79 6.92 1.7'I 0.24 <br /> 7. Based on Friction Loss in Plastic Pipe per 100ft from Table i• 3Q �_ __ <br /> 9.fi9 2.39 0.33 <br /> Friction Loss= 0.26 ft per 100ft of pipe 35 - --- 12.80 3.18 0.44 <br /> ao - - �s.s2 �.07 0.�� <br /> g, Determine Equivatent Pipe Length from pump discharge to soi(dispersat 45 <br /> area discharge point. Estimate by adding 25%to supply pipe length for �' -' - 5•07 0.70 <br /> fitting loss. Supp[y Pipe Length(5.B) X 1.25=Equivalent Pipe Length 5� -- -- --- 6.16 0.86 <br /> 55 7.35 1A2 <br /> 30 ft X 1.25 = 37.5 ft 60 - -- -- 8.63 1.20 <br /> 9. Calculate Supp(y Friction Loss by muttiptying Friction Loss Per f00ft (Line 6)by 65 '-' -- --- 10.01 1.39 <br /> Supply Friction Loss= 70 -- --- --- 11.48 1.60 <br /> 0.26 ft per t00ft X 37.5 ft - 100 = 0.1 ft <br />